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LM2907 Frequency to Voltage Converter

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Stock: Out Of Stock
Availability: NotInStock priceValidUntil: 2026-07-03
SKU: 814 | DAA075

Rs. 218.30 (inc GST)
Rs.185.00 + GST

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Delivery: 2–8 days across India. No MOQ required.

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Description

LM2907 Frequency to Voltage Converter

The LM2907, LM2917 series are monolithic frequency to voltage converters with a high gain op amp/comparator designed to operate a relay, lamp, or other load when the input frequency reaches or exceeds a selected rate.

The tachometer uses a charge pump technique and offers frequency doubling for low ripple, full input protection in two versions (LM2907-8, LM2917-8) and its output swings to ground for a zero frequency input.

LM2907 frequency to voltage converter is fully compatible with the tachometer and has a floating transistor as its output. This feature allows either a ground or supply referred load of up to 50 mA. The collector may be taken above VCC up to a maximum VCE of 28V. The two basic configurations offered include an 8-pin device with a ground referenced tachometer input and an internal connection between the tachometer output and the op amp non-inverting input. This version is well suited for single speed or frequency switching or fully buffered frequency to voltage conversion applications.

Features of LM2907

Ground referenced tachometer input interfaces directly with variable reluctance magnetic pickups
Op amp/comparator has floating transistor output
50 mA sink or source to operate relays, solenoids, meters, or LEDs
Frequency doubling for low ripple
Tachometer has built-in hysteresis with either differential input or ground referenced input
Built-in zener on LM2917
±0.3% linearity typical
Ground referenced tachometer is fully protected from damage due to swings above VCC and below ground

Applications of LM2907

Over/under speed sensing
Frequency to voltage conversion (tachometer)
Speedometers
Breaker point dwell meters
Hand-held tachometer
Speed governors
Cruise control
Automotive door lock control
Clutch control
Horn control
Touch or sound switches

Extra Information
Country of Origin	China
Imported By	ElectroSource Private Limited

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LM2907 Frequency to Voltage Converter

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LM2907 Frequency to Voltage Converter

The tachometer uses a charge pump technique and offers frequency doubling for low ripple, full input protection in two versions (LM2907-8, LM2917-8) and its output swings to ground for a zero frequency input.

Features of LM2907

Ground referenced tachometer input interfaces directly with variable reluctance magnetic pickups

Op amp/comparator has floating transistor output

50 mA sink or source to operate relays, solenoids, meters, or LEDs

Frequency doubling for low ripple

Tachometer has built-in hysteresis with either differential input or ground referenced input

Built-in zener on LM2917

±0.3% linearity typical

Ground referenced tachometer is fully protected from damage due to swings above VCC and below ground

Applications of LM2907

Over/under speed sensing

Frequency to voltage conversion (tachometer)

Speedometers

Breaker point dwell meters

Hand-held tachometer

Speed governors

Cruise control

Automotive door lock control

Clutch control

Horn control

Touch or sound switches

Write a review

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